Doctor insights on:
What Is The Most Commonly Abused Chemical Substance

1

Maladaptive pattern:
Substance abuse, also known as drug abuse, is a maladaptive patterned use of a substance (drug) in which the user consumes the substance in amounts or with methods not condoned by medical professionals. Substance abuse/drug abuse is not limited to mood-altering or psycho-active drugs. Activity is also considered substance abuse when inappropriately used(as in steroids for performance enhancement).
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2

Not possible to say:
for certain, and age and weight have very little to do with it. It depends on how much was used, and what kind of test is being used to test for it. It is not cocaine that is tested for, but a metabolite called benzoylecgonine (and some others), and this persists for 3 days or so, rarely quite a bit longer.
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Depends:
on the amount consumed, whether consuming alcohol at the same time, or any other drug, usually urine tox screen looks for cocaine or one of the metabolites which stays longer in the body, don't believe any would be cleared in next 48 hours, better seek help, check this link, good luck
https://findtreatment.samhsa.gov/TreatmentLocator/faces/quickSearch.jspx
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5

Be observant:
Signs of abuse may include frequently refilled prescriptions or hospital visits, track marks from needles on the skin and abnormal pupils (dilated/ constricted) or sclera (the whites of the eyes). Letting them know you are concerned and want to help rather than confronting them by accusation is the best approach to opening a discussion about the topic.
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7

Cocaine:
Crack is a highly purified form of Cocaine that is so pure that it gives the user a greater high than just cocaine. It is called crack from the sound it makes when dissolving in heat.
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8

Risk factors:
Male gender, family history of substance use especially in a parent or sibling, personal history of mental illness especially if untreated, personal history of stressors such as loss of employment, etc. Other risk factors may depend upon specific substances.
If you are concerned about substance use issues, please seek help with a mental health professional for an evaluation.
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9

Yes, but not by UPS:
Good for you! Yes, stay sober for a looong time (maybe a bit of healthy wine/beer will be ok). But those lost years and the abilities/skills won't just come in a delivery truck. You need to develop them and you can. Even if you were older - but you're not. It will be ok. Plants usually catch up if planted late in our garden. Stay on track. Good luck.
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